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GIOVANNI GELOSO

Overview
  • Total Patents
    20
About

GIOVANNI GELOSO has a total of 20 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and telecommunications are TELEGRAPHON GMBH, WALTER INSTR LTD and DICTAPHONE CORP.

Patent filings in countries

World map showing GIOVANNI GELOSOs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 United States 6
#3 Germany 3
#4 Switzerland 1

Patent filings per year

Chart showing GIOVANNI GELOSOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Giovanni Geloso 6
#2 Geloso Giovanni 4
#3 Gastelli Arrigo 1
#4 Arrigo Castelli 1
#5 Castelli Arrigio 1
#6 Castelli Arrigo 1
#7 Adolfo Castelli 1

Latest patents

Publication Filing date Title
US3679845A Lighting unit incorporating loudspeakers
GB916907A Improvements in or relating to lamellar electric change-over switches
GB907166A Improvements in or relating to printed circuits for magnetic recorders
US3048143A Translation indicator of the recording areas on a magnetic tape
GB889784A Improvements in or relating to indicators particularly for magnetic tape recorders
GB954507A Improvements in or relating to tapes having devices for securing the ends thereof to spools
DE1149184B Device for attaching the end loops of tapes to spools
DE1162589B Especially for magnetic tapes
GB881270A Improvements in or relating to reels for magnetic tape
US3028111A Device for the band or wire drive control in magnetic recorders or the like
GB839167A A remote control device for magnetic recorders and the like
US3009564A Container for recorder bobbins and the like
GB852774A Improvements in or relating to telephone interconnection systems
GB829320A A reel for magnetic tape
US2901552A Desk microphone combined with support for pen
US2974892A Reel for magnetophone bands
GB628006A Improvements in radio coils and transformers
GB618799A Improvements to condensers for the regulation of radiophone circuits